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\begin{tabular}{lcccc} \hline
 & (1) & (2) & (3) & (4) \\
VARIABLES & BU & BN & WU & WN \\ \hline
 &  &  &  &  \\
Log GDP per capita & -0.014*** & -0.038*** & -0.014*** & -0.017*** \\
 & (0.005) & (0.006) & (0.005) & (0.003) \\
 &  &  &  &  \\
Observations & 598 & 598 & 598 & 598 \\
R-squared & 0.298 & 0.363 & 0.350 & 0.274 \\
 Sample Average & 0.017 & 0.052 & 0.023 & 0.032 \\ \hline
\multicolumn{5}{c}{ \textit{Table notes:} Standard errors clustered by country. *p$<$.05, **p$<$.01, ***p$<$.001.} \\
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